重构SpriteAssertTool.cpp，减少中间文件产生；重构TomGame文件夹，删去不必要的文件；修改CMakeLists，PC重构Game自动重新构建资源头文件；修改文档

CMakeLists.txt

@@ -127,15 +127,6 @@ function(imx6u_configure_app_target target_name)
             "${SDL2_DLL}"
             "$<TARGET_FILE_DIR:${target_name}>"
         )
-    elseif(SDL2_image_FOUND)
-        add_executable(SpriteAssetTool ${SPRITE_ASSET_TOOL_SOURCES})
-        target_include_directories(SpriteAssetTool PRIVATE
-            src/Core/Asset
-            src/Core/RenderData
-        )
-        target_link_libraries(SpriteAssetTool PRIVATE SDL2::SDL2 SDL2_image::SDL2_image)
-    else()
-        message(STATUS "SpriteAssetTool disabled: SDL2_image was not found")
     endif()
 
     if(MSVC)